That thing is sweet. Just checked out a red one at a Dodge dealer in town and it kicks ass. It looks good (except the wing on the back) hauls ass (has new viper V10 in it) and could pull your car. Can't argue w/ trailering the Z and then running off a high 12 w/ the truck. Of the choices you gave though, I'd have to say M3. They are sweet as hell too.